
人力资源需求的定性分析的方法是()
A . 市场试验法B . 趋势分析法C . 市场分析法D . 德尔菲法


A . 市场试验法B . 趋势分析法C . 市场分析法D . 德尔菲法
现有学生关系表S(sno,sname,ssex,sage),查找所有年龄为19岁或20岁的学生信息,下列选项中SQL语句正确的是________。
(5.0分)Conversation Two
Questions 12 to 15 are based on the conversation you have just heard.
12. A) The impact of engine design on road safety.
B) The role policemen play in traffic safety.
C) A sense of freedom driving gives.
D) Rules and regulations for driving.
13. A) Make cars with automatic control.
B) Make cars that have better brakes.
C) Make cars that are less powerful.
D) Make cars with higher standards.
14. A) They tend to drive responsibly.
B) They like to go at high speed.
C) They keep within speed limits.
D) They follow traffic rules closely.
15. A) It is a bad idea.
B) It is not useful.
C) It is as effective as speed bumps.
D) It should be combined with education